H90: Conductive and sensorineural hearing loss

Conductive and sensorineural hearing loss are two types of hearing impairments. Conductive hearing loss is caused by problems with the ear canal, eardrum, or middle ear, which prevent or reduce the conduction of sound to the inner ear. Common causes include earwax blockage, fluid in the middle ear, and damage to the eardrum. Sensorineural hearing loss, on the other hand, is caused by damage to the inner ear or the auditory nerve, which interferes with the transmission of sound signals to the brain. This can be caused by aging, excessive noise exposure, certain medications, and illnesses like meningitis. Both types may result in difficulty hearing, understanding speech, and distinguishing sounds, and they may occur together in some individuals. With both, progression varies and can be gradual or sudden, depending on the underlying causes.

Subcodes of H90:

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